Muhammad Gelbana created DRILL-5197: ---------------------------------------
Summary: CASE statement fails due to error: Unable to get value vector class for minor type [NULL] and mode [OPTIONAL] Key: DRILL-5197 URL: https://issues.apache.org/jira/browse/DRILL-5197 Project: Apache Drill Issue Type: Bug Components: Execution - Data Types Affects Versions: 1.9.0 Reporter: Muhammad Gelbana The following query fails for no obvious reason {code:sql} SELECT CASE WHEN `tname`.`full_name` = 'ABC' THEN ( CASE WHEN `tname`.`full_name` = 'ABC' THEN ( CASE WHEN `tname`.`full_name` = ' ' THEN ( CASE WHEN `tname`.`full_name` = 'ABC' THEN `tname`.`full_name` ELSE NULL END ) ELSE NULL END ) ELSE NULL END ) WHEN `tname`.`full_name` = 'ABC' THEN NULL ELSE NULL END FROM cp.`employee.json` `tname` {code} If the `THEN `tname`.`full_name`` statements is changed to `THEN 'ABC'` the error does not occur. Thrown exception {quote} [Error Id: e75fd0fe-132b-4eb4-b2e8-7b34dc39657e on mgelbana-incorta:31010] at org.apache.drill.common.exceptions.UserException$Builder.build(UserException.java:543) ~[drill-common-1.9.0.jar:1.9.0] at org.apache.drill.exec.work.fragment.FragmentExecutor.sendFinalState(FragmentExecutor.java:293) [drill-java-exec-1.9.0.jar:1.9.0] at org.apache.drill.exec.work.fragment.FragmentExecutor.cleanup(FragmentExecutor.java:160) [drill-java-exec-1.9.0.jar:1.9.0] at org.apache.drill.exec.work.fragment.FragmentExecutor.run(FragmentExecutor.java:262) [drill-java-exec-1.9.0.jar:1.9.0] at org.apache.drill.common.SelfCleaningRunnable.run(SelfCleaningRunnable.java:38) [drill-common-1.9.0.jar:1.9.0] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [na:1.8.0_111] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [na:1.8.0_111] at java.lang.Thread.run(Thread.java:745) [na:1.8.0_111] Caused by: java.lang.UnsupportedOperationException: Unable to get value vector class for minor type [NULL] and mode [OPTIONAL] at org.apache.drill.exec.expr.BasicTypeHelper.getValueVectorClass(BasicTypeHelper.java:441) ~[vector-1.9.0.jar:1.9.0] at org.apache.drill.exec.record.VectorContainer.addOrGet(VectorContainer.java:123) ~[drill-java-exec-1.9.0.jar:1.9.0] at org.apache.drill.exec.physical.impl.project.ProjectRecordBatch.setupNewSchema(ProjectRecordBatch.java:463) ~[drill-java-exec-1.9.0.jar:1.9.0] at org.apache.drill.exec.record.AbstractSingleRecordBatch.innerNext(AbstractSingleRecordBatch.java:78) ~[drill-java-exec-1.9.0.jar:1.9.0] at org.apache.drill.exec.physical.impl.project.ProjectRecordBatch.innerNext(ProjectRecordBatch.java:135) ~[drill-java-exec-1.9.0.jar:1.9.0] at org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:162) ~[drill-java-exec-1.9.0.jar:1.9.0] at org.apache.drill.exec.physical.impl.BaseRootExec.next(BaseRootExec.java:104) ~[drill-java-exec-1.9.0.jar:1.9.0] at org.apache.drill.exec.physical.impl.ScreenCreator$ScreenRoot.innerNext(ScreenCreator.java:81) ~[drill-java-exec-1.9.0.jar:1.9.0] at org.apache.drill.exec.physical.impl.BaseRootExec.next(BaseRootExec.java:94) ~[drill-java-exec-1.9.0.jar:1.9.0] at org.apache.drill.exec.work.fragment.FragmentExecutor$1.run(FragmentExecutor.java:232) ~[drill-java-exec-1.9.0.jar:1.9.0] at org.apache.drill.exec.work.fragment.FragmentExecutor$1.run(FragmentExecutor.java:226) ~[drill-java-exec-1.9.0.jar:1.9.0] at java.security.AccessController.doPrivileged(Native Method) ~[na:1.8.0_111] at javax.security.auth.Subject.doAs(Subject.java:422) ~[na:1.8.0_111] at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657) ~[hadoop-common-2.7.1.jar:na] at org.apache.drill.exec.work.fragment.FragmentExecutor.run(FragmentExecutor.java:226) [drill-java-exec-1.9.0.jar:1.9.0] ... 4 common frames omitted {quote} -- This message was sent by Atlassian JIRA (v6.3.4#6332)